398136-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 398136-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,1,3 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 398136-83:
(8*3)+(7*9)+(6*8)+(5*1)+(4*3)+(3*6)+(2*8)+(1*3)=189
189 % 10 = 9
So 398136-83-9 is a valid CAS Registry Number.